new york's mayor estimates as many as 40,000 people in new york city may need temporary housing. but officials don't yet have a solution. the cost of the damage is staggering: between $30 and $50 billion, according to disaster modeling firm eqecat. and the possibility of more dislocated people will only make the road to recovery more difficult. erika miller, "n.b.r.," new york. >> tom: there is no doubt the damage left from sandy will take years to repair and the memories of the storm certainly will last lete for those in h path. but she's just the latest natural disaster long-term investors have been faced with. i recently spoke with mark hebner, the founder and president of index funds advisors, asking him how long term investments should look at hurricane sandy. >> if they're holding a full equity portfolio they really should be looking at time horizons of like 15 or maybe even 20 years to hang on to that investment, to be in a position to have a reasonably good chance of catch tung the expected return of that portfolio. what is the risk, though, and the impact of the storm on